coarse asphaltic concrete

简明释义

粗骨料沥青混凝土

英英释义

例句

1.The construction team decided to use coarse asphaltic concrete for the new highway because of its durability.

施工队决定在新高速公路上使用粗粒沥青混凝土，因为它的耐用性。

2.The local government approved the use of coarse asphaltic concrete for the new bike paths.

当地政府批准在新的自行车道上使用粗粒沥青混凝土。

3.Engineers often choose coarse asphaltic concrete for road surfaces that require high friction.

工程师通常选择粗粒沥青混凝土用于需要高摩擦力的路面。

4.For the parking lot, they recommended coarse asphaltic concrete to handle heavy vehicle traffic.

对于停车场，他们推荐使用粗粒沥青混凝土以应对重型车辆交通。

5.The coarse asphaltic concrete mix provides better drainage, reducing the risk of water pooling.

这种粗粒沥青混凝土混合物提供了更好的排水，减少了积水的风险。

作文

In the field of civil engineering and construction, materials play a crucial role in determining the durability and functionality of various structures. One such material that has garnered attention for its unique properties is coarse asphaltic concrete. This type of concrete is characterized by its larger aggregate size compared to traditional asphalt mixtures, which contributes to its distinctive performance features. The composition of coarse asphaltic concrete typically includes a mix of coarse aggregates, fine aggregates, and asphalt binder, all carefully proportioned to achieve optimal results. The primary advantage of using coarse asphaltic concrete lies in its enhanced drainage capabilities. Due to the larger voids created by the coarse aggregates, water can pass through more easily, reducing the risk of surface water accumulation. This property makes it particularly suitable for applications in areas prone to heavy rainfall or flooding. Additionally, the improved drainage helps in maintaining the integrity of the pavement over time, as it minimizes the potential for water-related damage. Another significant benefit of coarse asphaltic concrete is its ability to withstand heavy traffic loads. The robust structure formed by the larger aggregates provides increased stability and resistance to deformation under stress. This makes it an ideal choice for highways, airport runways, and other high-traffic areas where durability is paramount. Furthermore, the use of coarse asphaltic concrete can lead to reduced maintenance costs over the lifespan of the pavement, as it is less susceptible to cracking and rutting compared to finer mixtures. Environmental considerations are also becoming increasingly important in construction practices today. The production of coarse asphaltic concrete can be more sustainable than traditional methods, particularly when recycled materials are incorporated into the mix. Utilizing reclaimed asphalt pavement (RAP) not only conserves natural resources but also reduces the overall carbon footprint associated with asphalt production. As sustainability continues to be a driving force in construction, the adoption of coarse asphaltic concrete may become more prevalent due to its eco-friendly attributes. However, it is essential to recognize that the implementation of coarse asphaltic concrete is not without challenges. Its unique properties require careful consideration during the design and mixing process to ensure proper compaction and bonding. Engineers must pay close attention to factors such as temperature, moisture content, and aggregate gradation to achieve the desired performance characteristics. Additionally, while coarse asphaltic concrete offers many benefits, it may not be suitable for all applications. In situations where a smoother surface is necessary, such as in residential streets or pedestrian pathways, finer asphalt mixtures may still be preferred. In conclusion, coarse asphaltic concrete represents a significant advancement in the realm of construction materials, offering a range of benefits including enhanced drainage, increased load-bearing capacity, and potential environmental advantages. As the industry continues to evolve, understanding the specific applications and limitations of coarse asphaltic concrete will be essential for engineers and contractors alike. By leveraging its unique properties, we can create more resilient and sustainable infrastructure that meets the demands of modern society.

在土木工程和建筑领域，材料在决定各种结构的耐久性和功能性方面起着至关重要的作用。粗集料沥青混凝土是一种因其独特特性而受到关注的材料。这种混凝土的特点是其与传统沥青混合物相比，集料颗粒较大，这使其具有独特的性能特征。粗集料沥青混凝土的组成通常包括粗集料、细集料和沥青粘合剂的混合物，所有这些都经过精心配比以实现最佳效果。使用粗集料沥青混凝土的主要优点在于其增强的排水能力。由于粗集料所形成的较大孔隙，水分可以更容易地通过，从而减少了水面积聚的风险。这一特性使其特别适合应用于易发生强降雨或洪水的地区。此外，改善的排水有助于维护路面的完整性，因为它减少了与水相关的损害的潜力。粗集料沥青混凝土的另一个显著优势是其能够承受重交通负荷。较大集料所形成的坚固结构提供了更高的稳定性和抗变形能力。这使其成为高速公路、机场跑道和其他高交通区域的理想选择，其耐用性至关重要。此外，使用粗集料沥青混凝土可以在路面的使用寿命内降低维护成本，因为它比细混合物更不易开裂和变形。环境考虑在当今的建筑实践中也变得越来越重要。生产粗集料沥青混凝土的过程可能比传统方法更可持续，尤其是在将回收材料纳入混合物时。利用再生沥青路面（RAP）不仅可以节约自然资源，还能减少与沥青生产相关的整体碳足迹。随着可持续性继续成为建筑行业的推动力，采用粗集料沥青混凝土可能会因其环保属性而变得更加普遍。然而，必须认识到，实施粗集料沥青混凝土并非没有挑战。其独特的特性在设计和混合过程中需要谨慎考虑，以确保适当的压实和粘结。工程师必须密切关注温度、湿度和集料级配等因素，以实现所需的性能特征。此外，虽然粗集料沥青混凝土提供了许多好处，但并不适用于所有应用。在需要更平滑表面的情况下，例如在住宅街道或人行道上，可能仍然更倾向于使用细沥青混合物。总之，粗集料沥青混凝土代表了建筑材料领域的一项重大进展，提供了一系列优点，包括增强的排水能力、增加的承载能力和潜在的环境优势。随着行业的不断发展，了解粗集料沥青混凝土的具体应用和局限性将对工程师和承包商至关重要。通过利用其独特的特性，我们可以创造出更具韧性和可持续性的基础设施，以满足现代社会的需求。